4120554 has 16 divisors (see below), whose sum is σ = 8271648. Its totient is φ = 1368432.

The previous prime is 4120553. The next prime is 4120559. The reversal of 4120554 is 4550214.

It is a self number, because there is not a number n which added to its sum of digits gives 4120554.

It is not an unprimeable number, because it can be changed into a prime (4120553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724 + ... + 2960.

It is an arithmetic number, because the mean of its divisors is an integer number (516978).

Almost surely, 2^4120554 is an apocalyptic number.

4120554 is an abundant number, since it is smaller than the sum of its proper divisors (4151094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4120554 is a wasteful number, since it uses less digits than its factorization.

4120554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 4120554 is about 2029.9147765362. The cubic root of 4120554 is about 160.3190768061.

Adding to 4120554 its reverse (4550214), we get a palindrome (8670768).

The spelling of 4120554 in words is "four million, one hundred twenty thousand, five hundred fifty-four".